Size=75
Fangsize($Fang){
   ($Fang/Size)rem
}
Fangfont($fs){
  font-size:($fs)px
  [data-dpr="2"] & {
   font-size:($fs * 2)px
  }
  [data-dpr="3"] & {
   font-size:($fs * 3)px
  }
}

.wordtit{
  Fangfont(14);
}

.backBox{
  width:100%;height:Fangsize(80);line-height:Fangsize(80);background:rgba(0,0,0,0.1);overflow:hidden;
}
.close_arrows{
  width:Fangsize(39);height:Fangsize(72);padding: Fangsize(12) Fangsize(20) 0 Fangsize(20);
  img{
    width:55%;
  }
}
